Overview
The LPC1342FHN33,551 is a 32-bit microcontroller from NXP USA Inc., based on the Arm Cortex-M3 processor. This microcontroller is designed for embedded applications, offering a high level of integration and low power consumption. It is part of the LPC1300 series, which is known for its robust feature set and efficient power management.
Key Specifications
| Specification | Details |
|---|---|
| Processor | Arm Cortex-M3 |
| Maximum Frequency | Up to 72 MHz |
| Flash Memory | 16 KB |
| SRAM | 4 KB |
| Package Type | 32-HVQFN (7x7) |
| GPIO Pins | Up to 42 General Purpose I/O pins |
| Serial Interfaces | UART, SSP, I2C-bus, USB 2.0 full-speed device (on LPC1342/43 only) |
| Timers | Four general purpose counter/timers |
| Watchdog Timer | Programmable WatchDog Timer (WDT) and Windowed Watchdog Timer (WWDT) |
| Power Management | Integrated Power Management Unit (PMU), Brownout detect, Power-On Reset (POR) |
| Oscillator | Integrated oscillator with an operating range of 1 MHz to 25 MHz, 12 MHz internal RC oscillator |
Key Features
- Arm Cortex-M3 Processor: Runs at frequencies up to 72 MHz with a built-in Nested Vectored Interrupt Controller (NVIC).
- Memory: 16 KB of on-chip flash programming memory and 4 KB of SRAM.
- Serial Interfaces: Includes UART, SSP, I2C-bus, and USB 2.0 full-speed device controller (on LPC1342/43 only).
- Timers and Counters: Four general purpose counter/timers with capture and match outputs.
- Power Management: Integrated PMU to minimize power consumption, Brownout detect, and Power-On Reset (POR).
- GPIO and Peripherals: Up to 42 General Purpose I/O pins with configurable pull-up/pull-down resistors, high-current output drivers, and high-current sink drivers.
- Debugging and Security: Serial Wire Debug and Serial Wire Trace port, Code Read Protection (CRP) with different security levels.
Applications
- eMetering: Suitable for energy metering applications due to its low power consumption and robust feature set.
- Lighting: Can be used in various lighting control systems.
- Alarm Systems: Ideal for security and alarm systems requiring reliable and efficient microcontrollers.
- White Goods: Used in household appliances for control and monitoring functions.
Q & A
- What is the processor core of the LPC1342FHN33 microcontroller?
The LPC1342FHN33 is based on the Arm Cortex-M3 processor.
- What is the maximum operating frequency of the LPC1342FHN33?
The maximum operating frequency is up to 72 MHz.
- How much flash memory does the LPC1342FHN33 have?
The LPC1342FHN33 has 16 KB of on-chip flash programming memory.
- What types of serial interfaces are available on the LPC1342FHN33?
The LPC1342FHN33 includes UART, SSP, I2C-bus, and USB 2.0 full-speed device controller (on LPC1342/43 only).
- Does the LPC1342FHN33 support in-system programming?
Yes, it supports In-System Programming (ISP) and In-Application Programming (IAP) via on-chip bootloader software.
- What is the package type of the LPC1342FHN33?
The package type is 32-HVQFN (7x7).
- How many GPIO pins does the LPC1342FHN33 have?
The LPC1342FHN33 has up to 42 General Purpose I/O pins.
- What power management features does the LPC1342FHN33 offer?
The LPC1342FHN33 includes an integrated Power Management Unit (PMU), Brownout detect, and Power-On Reset (POR).
- Does the LPC1342FHN33 have any security features?
Yes, it includes Code Read Protection (CRP) with different security levels.
- What are some common applications of the LPC1342FHN33?
Common applications include eMetering, lighting, alarm systems, and white goods.
